100
x + 4 = 25
What is 21
100
m + 3.7 = 2.4
What is -1.3
200
a + 10 = 13
What is 3
200
x - (-66.09) = 102.8
What is 36.71
300
k -83 =121
What is 204
300
-5.6 = 0.8x
What is -7
400
x + 36 = 100
What is 64
400
x - 327 = 665
What is 992
400
28 = a/13
What is 364
400
c/-0.29 = 5.5
What is -1.595
500
27 = c + 27
What is 0
500
a - 163 = 392
What is 555
500
80 = x/15
What is 1200
500
0.12 = y/0.12
What is 0.0144